A doorway to another universe, large enough to swallow a spaceship, may exist at the centre of the Milky Way. Wormholes (artists's impression pictured), are thought to allow travel between distant points in space and time.
Theoretical physics: The origins of space and time. Many researchers believe that physics will not be complete until it can explain not just the behavior of space and time, but where these entities come from.
“There is not some pre-destined pathway that you must travel, only the one that you choose.” The realms of space and reality wrap to show the path to salvation. Whether it will be yours or theirs is your choice.
Adding a mezzanine level in your bedroom or living room